Home / 52,760.16-79,137.81-15,319.40

Finding the Fourth Proportional to 52,760.16, 79,137.81 and 15,319.40

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Solution

The fourth proportional to 52,760.16, 79,137.81 and 15,319.40 is: 22,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,760.16 : 79,137.81 = 15,319.40 : x
  2. Step 2: Convert to fraction form
    52,760.16/79,137.81 = 15,319.40/x
  3. Step 3: Cross multiply
    52,760.16x = 79,137.81 × 15,319.40
  4. Step 4: Simplify right side
    52,760.16x = 1,212,343,370.82
  5. Step 5: Solve for x
    x = 1,212,343,370.82/52,760.16
  6. Step 6: Final answer
    x = 22,978.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.